Sturt Plains OzFlux tower site

Data from the Sturt Plains site, Northern Territory.

The Sturt Plains flux station is located approximately 280km north of Tennant Creek, Northern Territory: 17?09?2.76?S, 133?21?1.14?E.

The flux tower site is 280km north of Tennant Creek, amongst a low lying plain dominated by Mitchell Grass (gen. Astrebla). Elevation of the site is close to 250m and mean annual precipitation at a nearby Bureau of Meteorology site is 640mm.

Maximum temperatures range from 28.4?C (in June/ July) to 39.1?C (in December), while minimum temperatures range from 11.2?C (in July) to 24.4?C (in December).

The instrument mast is 5 meters tall. Heat, water vapour and carbon dioxide measurements are taken using the open-path eddy flux technique. Temperature, humidity, wind speed, wind direction, rainfall and net radiation are measured. Soil heat fluxes are measured and soil moisture content is gathered using time domain reflectometry.

Ancillary measurements taken at the site include LAI, leaf-scale physiological properties (gas exchange, leaf isotope ratios, N and chlorophyll concentrations), vegetation optical properties and soil physical properties. Airborne based remote sensing (Lidar and hyperspectral measurements) was carried out across the transect in September 2008.

北领地Sturt Plains站点数据。

Sturt Plains通量站（flux station）位于北领地Tennant Creek以北约280公里处，坐标为南纬17°09′2.76″、东经133°21′1.14″。

通量塔（flux tower）站点位于Tennant Creek以北280公里处，地处以Mitchell草（属名Astrebla）为主的低洼平原。站点海拔约250米，附近气象局站点的年平均降水量为640毫米。

最高气温范围为28.4°C（6-7月）至39.1°C（12月），最低气温范围为11.2°C（7月）至24.4°C（12月）。

仪器桅杆高度为5米。采用开路涡动通量技术（open-path eddy flux technique）测量热量、水汽和二氧化碳。同时测量气温、湿度、风速、风向、降雨量和净辐射。土壤热通量及土壤含水量通过时域反射仪（time domain reflectometry）采集。

站点的辅助测量包括叶面积指数（LAI）、叶片尺度生理特性（气体交换、叶片同位素比值、氮及叶绿素浓度）、植被光学特性和土壤物理特性。2008年9月，在样带区域开展了机载遥感（Lidar和高光谱测量）。